Power: A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours?

Name: Power: A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The heat energy produced by the heater can be calculated using the formula: energy = power x time. Here, power = 1500 W (or 1500 J/s) and time = 2.0 hours = 7200 seconds. So, energy = 1500 J/s x 7200 s = 10,800,000 J or 10.8 MJ, which is closest to option D, 11 MJ.

Power: a 1500-W Heater Is Connected to a 120-V Line